Trolling bobber



FIG. 1. is a right side view of a trolling bobber showing my new design.

FIG. 2. is a left side view showing my new design.

FIG. 3. is a top view showing my new design.

FIG. 4. is a bottom view showing my new design.

FIG. 5. is a front view showing my new design; and,

FIG. 6. is a rear view showing my new design. 

The ornamental design for a trolling bobber, as shown and described. 